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Finding the Fourth Proportional to 38,704.53, 58,082.69 and 14,080.53

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Solution

The fourth proportional to 38,704.53, 58,082.69 and 14,080.53 is: 21,130.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,704.53 : 58,082.69 = 14,080.53 : x
  2. Step 2: Convert to fraction form
    38,704.53/58,082.69 = 14,080.53/x
  3. Step 3: Cross multiply
    38,704.53x = 58,082.69 × 14,080.53
  4. Step 4: Simplify right side
    38,704.53x = 817,834,988.62
  5. Step 5: Solve for x
    x = 817,834,988.62/38,704.53
  6. Step 6: Final answer
    x = 21,130.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.